. >> senator hagel. >> senator hagel. >> -- on "cbs this morning." >> we're bringing in a highly trained team, profession alg body doubles. >> they look nothing like me. some of them are black. they look nothing like me. >> well, neither are you, homey. >>> welcome to "cbs this morning." we have breaking news from vatican city. pope benedict xvi says he will resign at the end of the month. the bombshell announcement affects more than 1 billion catholics around the world. >> the 85-year-old pope revealed his decision this morning at a meeting of cardinals in london. mark phillips is in london. mark, good morning. >> good morning, norah and charlie. it is a bombshell. it is extraordinary. how extraordinary is it? a pope hasn't resigned for 600 years. the reasons cited were provided by the pope himself this morning. he issued a statement out of the vatican saying, quote, that after having repeatedly examined my conscience before god, i have come to the certainty that my strength due to an advancing age are no longer suited to an adequate ministry. he goes on to say his strength has deterior